diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 9e6f9ec1a2b8..ba7e720e73c1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -741,7 +741,8 @@ int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
 void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 {
 	struct iwl3945_tfd *tfd_tmp = (struct iwl3945_tfd *)txq->tfds;
-	struct iwl3945_tfd *tfd = &tfd_tmp[txq->q.read_ptr];
+	int index = txq->q.read_ptr;
+	struct iwl3945_tfd *tfd = &tfd_tmp[index];
 	struct pci_dev *dev = priv->pci_dev;
 	int i;
 	int counter;
@@ -759,6 +760,13 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 		return;
 	}
 
+	/* Unmap tx_cmd */
+	if (counter)
+		pci_unmap_single(dev,
+				pci_unmap_addr(&txq->cmd[index]->meta, mapping),
+				pci_unmap_len(&txq->cmd[index]->meta, len),
+				PCI_DMA_TODEVICE);
+
 	/* unmap chunks if any */
 
 	for (i = 1; i < counter; i++) {